feat(rust): Migrate to rustacean.nvim

lua/plugins/languages/rust.lua

@@ -38,27 +38,26 @@ return {
 		event = "BufEnter Cargo.toml",
 	},
 	{
-		"simrat39/rust-tools.nvim",
-		dependencies = {
-			"nvim-lua/plenary.nvim",
-			"hrsh7th/cmp-nvim-lsp",
-		},
-		lazy = true,
-		config = function()
-			local capabilities = require("cmp_nvim_lsp").default_capabilities()
-
-			require("rust-tools").setup({
+		'mrcjkb/rustaceanvim',
+		version = '^5',
+		lazy = false,
+		init = function()
+			vim.g.rustaceanvim = {
 				server = {
-					capabilities = capabilities,
-					settings = {
-						["rust-analyzer"] = {
+					on_attach = function(client, bufnr)
+						opts = { silent = true, buffer = bufnr }
+						vim.keymap.set("n", "<leader>a", function() vim.cmd.RustLsp('codeAction') end, opts)
+						vim.keymap.set("n", "K", function() vim.cmd.RustLsp({'hover', 'actions'}) end, opts)
+					end,
+					default_settings = {
+						['rust-analyzer'] = {
 							check = {
 								command = "clippy",
 							},
 						},
 					},
 				},
-			})
+			}
 		end,
 	},
 }